The AR-416 is an active 4-channel direct injection unit. Each channel includes: High impedance of 1M Ohm. * A ?” instrument jack per channel with both parallel and buffered link outputs on ?” jacks to feed into backline amps. * A low impedance XLR output which is active buffered, transformer-balanced, floating and […]
The AR-416 is an active 4-channel direct injection unit.
Each channel includes:
High impedance of 1M Ohm.
* A ?” instrument jack per channel with both parallel and buffered link outputs on ?” jacks to feed into backline amps. * A low impedance XLR output which is active buffered, transformer-balanced, floating and capable of driving 600 Ohm over long cable runs. * A selectable 8kHz low-pass filter; polarity-reverse and earth-lift on “XLR side“. * 3-way selectable input attenuation (0dB, 20dB, 40dB pad). * An additional earth lift on the “jack side“.
The earth lifts on each channel have LED indicators to show true status and avoid confusion. The unit has total ground isolation with no significant crosstalk between channels and a very low noise floor. The unit is mains powered.
Weight
4.00 kg
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The AR-416 is an active 4-channel direct injection unit.
Each channel includes:
High impedance of 1M Ohm.
* A ?" instrument jack per channel with both parallel and buffered link outputs on ?" jacks to feed into backline amps. * A low impedance XLR output which is active buffered, transformer-balanced, floating and capable of driving 600 Ohm over long cable runs. * A selectable 8kHz low-pass filter; polarity-reverse and earth-lift on “XLR side“. * 3-way selectable input attenuation (0dB, 20dB, 40dB pad). * An additional earth lift on the "jack side“.
The earth lifts on each channel have LED indicators to show true status and avoid confusion. The unit has total ground isolation with no significant crosstalk between channels and a very low noise floor. The unit is mains powered.
The alphaton Direct Injection-Box SM-50 allows direct connection of electric guitars,
electric bass, and electronic music instruments with mixing desks of PA systems
and of recording studios.
The SM-50 reduces the amount of microphones used on stage, thus improving gain
before feedback.
Coloration of sound is avoided. Clean signal without interference from other instruments
eases the job of the recording engineer. The use of a strong aluminium die-cast box allows
trouble-free function for a number of years even under adverse conditions. Double grounding
(hum) can be eliminated by activating the built-in ground-lift switch. Isolation voltage between
input and output is 2500 volts, against ground 1500 volts (with ground-lift switch activated).
The box thus complies with toughest safety standards.
Technical Data
input impedance 20 kOhm
input impedance, instrument
input impedance, line-In
input impedance, speaker
output impedance 200 Ohm
frequency response 30 ... 20000 Hz, ± 1 dB
THD
isolation voltage tranformer pri/sec 2500 V
outpur to ground 1500 V
inputs 1/4" phone jacks, unbalanced
outputs XLR, balanced, microphone level.
pin 1 = ground, pin 2 = hot, pin 3 = cold
case aluminium die-cast
weight 230 g
dimensions113 x 71 x 37 mm
Inline Transformer IA-2
The model IA-2 line matching transformers !S designed to properly match a low impedance signal to a low impedance source. The advantage of "ground lift" switching allows to optmize hum problems.
Technical Data Frequency response 20 Hz - 20 KHz + 1 dB Impedance 600 : 600 Ohm THD K3 50 Hz = 0.5 % Level < + 6 dBm Weight 100 g Dimensions diameter 17 mm, lenght 115 mm
At dbx, when we do something, we do it right. So when we decided to create our new direct injection boxes, we didnʼt settle for the same old tired approach to direct box design. With our dbx name on the line, how could we? One look at our new dB10 Passive and dB12 Active direct boxes will tell you that these are clearly different. With their bullet-proof construction, and extraordinary audio performance to rival their looks, finally thereʼs a direct box worthy of the dbx name.
Utilizing custom dbx mu-metal-shielded audio transformers, high-quality Neutrik® connectors, and low-noise circuitry preserves the sonic integrity and true characteristics of the signal source. Both boxes include a pad switch that accomodates instrument, line and even speaker level signals. Take even more control of your sound by utilizing the polarity invert switch to set the phase relationship between the direct and mic'd sound.
As a professional, you donʼt have time for interference, so weʼve included a ground lift switch to solve potential hum and buzz problems due to ground loops. And between the combined shielding of the cast metal chassis and the custom-wound transformer, you can be doubly assured of a clean signal free from interference. All of this sits atop a solid, stable footprint, that will keep the box from being dragged around the stage, and the unique contoured underside allows secure stacking of multiple units.
So whether you need to control the level, placement in the mix, or overall characteristics of 4 independent signals or control the gain leveling on a couple of stereo pairs, the dbx dB12 is for you.
Thru Output: 1 parallel connection from input jack
Connector: 1/4" jack
Type: Unbalanced, RF filtered
Main Output: 1 line level
Connector: XLR male jack
Type: Balanced
Impedance: 150 Ohm typical
Max Output Level: 0dBu
PERFORMANCE
Transformer: Custom dbx mu-metal-shielded
Frequency Response: 20Hz to 20kHz, +/-2.5dB
Noise:
THD:
GENERAL
Dimensions: 5.82" L X 5.44" W X 2.20" H (148 x 138 x 56mm)
Weight: 1.4 lbs / 0.65 kg
Note: Specifications subject to change without notice.
DOD AC 275 Active Direct Box with Switchable Ground Lift and Attenuator-2nd Hand-
The AC 275 is an active, phantom powered direct box. Unlike a passive DI where the frequency response of the signal can be altered depending on the connected impedance, an active DI buffers the input signal with an amplifier. This assures that the sound source will reach the mixer balanced and noise-free.
Housed in a cast alloy chassis, the AC 275 supplies two, high impedance, unbalanced 1/4" jacks and one low impedance balanced XLR jack. It operates with battery or phantom power.
Key Features
?
Active direct box
?
Allows a hi impedance unbalanced source to directly feed a low impedance balanced input
?
Flat frequency response
?
Connects guitar pickups, microphones or electric instruments to a recording or P.A. console without audio quality loss
2-channel DI box/splitter, passive Converts 2 separate unbalanced line inputs (e.g. instruments) into 2 balanced XLR outputs for connecting a mixer Switchable to split mode (input 1 routes the signal to both outputs) Switchable input attenuation: 0 dB, -20 dB, -40 dB Ground-lift switch eliminates ground loop problems 2 signal inputs via XLR/jack combo connectors 2 low-impedance XLR outputs Modern convex housing design Full rubber housing corners for safe operation Cables can be routed under the housing
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